of this secondary radiation. In order to study the directionality of this effect, Cerenkov designed the experimental setup illustrated in Figure 2 using a conical mirror that reflected incoming radiation against a photographic plate located above a fluid-filled vessel. Photographs of the reflected light represent cases of ordinary luminescence
A sigil (/ËsÉªdÊÉl/; pl. sigilla or sigils; from Latin sigillum seal) is a symbol used in magic. The term has usually referred to a type of pictorial signature of a demon or other entity; in modern usage, especially in the context of chaos magic, it refers to a symbolic representation of the magician's desired outcome.
Dee's Sigil of Ameth from his Enochian workings. A sigil (lat. sigillum, diminutive of signum, sign) is a symbol designed for a specific magical purpose. They are designed to represent a glyph, composed of a variety of symbols or concepts with the intent and inherent iconic meaning. Essentially, sigils are symbolic icons that are condensed representations of more complex ideas or information. A sigil may have an abstract, pictorial or semi-abstract form.